Zilog EZ80F91 - Manual (Page 41)

eZ80F91 Development Kit
User Manual
UM014220-0508 eZ80 Development Kit
36
The silk-screened label on the eZ80Acclaim!
®
Development Kit
for jumper J11 is incorrect. Currently, it reads DIS_FLASH. The
correct label is EN_FLASH.
Jumper J12
The J12 jumper connection controls the selection of a 5 V or 3 VDC
power supply to the embedded modem, if an embedded modem is used.
See
Table 20 .
Table 19. J11—EN_FLASH (Off-Chip)*
Shunt
Status
Function Affected Device
IN All access to external Flash memory on the
eZ80190 Module is enabled. External Flash memory on the
eZ80190 Module.
OUT All access to external Flash memory on the
eZ80190 Module is disabled. External Flash memory on the
eZ80190 Module.
Note: As shipped from the factory, external Flash memory is not installed.
Table 20. J12—5 VDC/3.3 VDC for an Embedded Modem
Shunt
Status
Function Affected Device
1–2 5 VDC is provided to power the embedded modem. Embedded modem.
2–3 3.3 VDC is provided to power the embedded modem. Embedded modem.
Note: